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目前顯示的是 9月, 2014的文章

Cisco Switch Show Logging以Local Time標註

Cisco 2950 Switch在Show Logging時，前方是帶設備的開機時間 3w4d: %LINK-3-UPDOWN: Interface FastEthernet0/5, changed state to down 3w4d: %LINK-3-UPDOWN: Interface FastEthernet0/5, changed state to up 3w4d: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/5, changed state to up 如果要帶事件發生的時間，可以輸入下面的指令 service timestamps log datetime show-timezone localtime Sep 17 02:53:54: %SYS-5-CONFIG_I: Configured from console by admin on vty0 (192.168.1.249) Sep 17 03:02:12: %SYS-5-CONFIG_I: Configured from console by admin on vty0 (192.168.1.150) Sep 17 03:04:40: %SYS-5-CONFIG_I: Configured from console by admin on vty0 (192.168.1.150) Sep 17 11:07:07 TW: %SYS-5-CONFIG_I: Configured from console by admin on vty0 (192.168.1.150) 參考資料

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Juniper EX2200 Show Port上面的Mac-address

root@EX2200-113> show ethernet-switching table Ethernet-switching table: 147 entries, 143 learned, 0 persistent entries VLAN MAC address Type Age Interfaces default 64:64:9b:34:TT:TT Static - Router vlan1 * Flood - All-members vlan1 ac:a0:16:91TT:TT Learn 0 ge-0/0/47.0 vlan10 * Flood - All-members vlan10 00:00:1c:d1:TT:TT Learn 0 ge-0/0/47.0 <---以下略過---> root@EX2200-113> show ethernet-switching table interface ge-0/0/38 Ethernet-switching table: 1 unicast entries VLAN MAC address Type Age Interfaces vlan10 * Flood - All-members vlan10 30:85:a9:a8:TT:TT Learn 0 ge-0/0/38.0 參考資料

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Cisco Switch Drop Mac-address

Wiershark在抓封包的時候,一直抓到0x8899的Protocol，查了一下發現這個是Realtek用來偵測Loop的協定因為我上層已經有開啟STP，所以我就下參數把該Mac-Address給Drop掉 2F-Switch(config)# mac address-table static 2828.5db3.cb39 vlan 1 drop 指令參考來源註: 如果要新增某Mac-address也可以下這個指令 Switch(config)# mac-address-table static 1111.1111.1111 vlan 1 interface fastEthernet 0/1 Switch#show mac-address-table Mac Address Table ------------------------------------------- Vlan Mac Address Type Ports ---- ----------- -------- ----- 1 1111.1111.1111 STATIC Fa0/1

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